
/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

function clearUsername(txbUsername)
{
    if(txbUsername.value == 'user name'){
        txbUsername.value = '';
    }
}

function clearPassword(txbPass){
    if(txbPass.value == 'password'){
        txbPass.value = '';
    }
}
 
 function capNhatGioHang(){
     document.forms['gioHang'].submit();
 }
